diff --git a/crypto/sha/asm/keccak1600-x86_64.pl b/crypto/sha/asm/keccak1600-x86_64.pl
index 42de5bf123447f0f5358aba32f8700a9603205dd..82ccdd16798e12f76cbbd4e77d0041657add2200 100755
--- a/crypto/sha/asm/keccak1600-x86_64.pl
+++ b/crypto/sha/asm/keccak1600-x86_64.pl
@@ -84,6 +84,7 @@ $code.=<<___;
 .type	__KeccakF1600,\@abi-omnipotent
 .align	32
 __KeccakF1600:
+.cfi_startproc
 	mov	$A[4][0](%rdi),@C[0]
 	mov	$A[4][1](%rdi),@C[1]
 	mov	$A[4][2](%rdi),@C[2]
@@ -342,6 +343,7 @@ $code.=<<___;
 
 	lea	-192($iotas),$iotas	# rewind iotas
 	ret
+.cfi_endproc
 .size	__KeccakF1600,.-__KeccakF1600
 
 .type	KeccakF1600,\@abi-omnipotent